Lake Catamount Spillway
River gage · YAMBELCO · Division 6 · Water District 58 · Routt County
The record
Period of record
1999-11-09 → 2026-07-06
Daily values
9,586
Latest cached reading
5.6 cfs (2026-07-06)
Trend
no trend, -36.42 cfs/decade
Readings come from the weekly-refreshed cache, never fetched live — the date beside the value says exactly how fresh it is. The live gage is one click up.
Annual flow & trend
Loading chart…
Where it sits
Location as DWR records it (4.0).
Provenance
DWR station abbreviation YAMBELCO; recorded station name “LAKE CATAMOUNT SPILLWAY”; operated by DWR. Daily flows from the DWR HydroBase snapshot plus CDSS REST updates, refreshed on the weekly cycle. Trend statistics are Mann-Kendall (Hamed-Rao corrected) with Sen's slope in native cfs, the same numbers as the basin Trends tab.